16140379 has 4 divisors (see below), whose sum is σ = 16263720. Its totient is φ = 16017040.

The previous prime is 16140343. The next prime is 16140389. The reversal of 16140379 is 97304161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97304161 = 229 ⋅424909.

It is a cyclic number.

It is not a de Polignac number, because 16140379 - 2⁹ = 16139867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16140379.

It is not an unprimeable number, because it can be changed into a prime (16140389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61474 + ... + 61735.

It is an arithmetic number, because the mean of its divisors is an integer number (4065930).

Almost surely, 2^16140379 is an apocalyptic number.

16140379 is a deficient number, since it is larger than the sum of its proper divisors (123341).

16140379 is a wasteful number, since it uses less digits than its factorization.

16140379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123340.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 16140379 is about 4017.5090541279. The cubic root of 16140379 is about 252.7190087567.

The spelling of 16140379 in words is "sixteen million, one hundred forty thousand, three hundred seventy-nine".